Article
Novel inhibitor for prolyl tripeptidyl aminopeptidase from Porphyromonas gingivalis and details of substrate-recognition mechanism.
Journal of molecular biology - 18 Jan 2008
Xu Yue, Nakajima Yoshitaka, Ito Kiyoshi, Zheng Heng, Oyama Hiroshi, Heiser Ulrich, Hoffmann Torsten, Gärtner Ulf-Torsten, Demuth Hans-Ulrich, Yoshimoto Tadashi
Abstract excerpt
A new inhibitor, H-Ala-Ile-pyrrolidin-2-yl boronic acid, was developed as an inhibitor against prolyl tripeptidyl aminopeptidase with a K(i) value of 88.1 nM. The structure of the prolyl tripeptidyl aminopeptidase complexed with the inhibitor (enzyme-inhibitor complex) was determined at 2.2 A resolution. The inhibitor was bound to the active site through a covalent bond between Ser603 and the boron atom of the...
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